6-METHYLFLAVONE C16H12O2 structure – Flashcards

Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

 
 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 4.06

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 371.45 (Adapted Stein & Brown method)
 Melting Pt (deg C): 127.80 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.82E-006 (Modified Grain method)
 Subcooled liquid VP: 4.06E-005 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 9.684
 log Kow used: 4.06 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 1.0466 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Vinyl/Allyl Ketones
 Vinyl/Allyl Ethers

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.99E-008 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 1.226E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 4.06 (KowWin est)
 Log Kaw used: -5.787 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 9.847
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9566
 Biowin2 (Non-Linear Model) : 0.9787
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.5436 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.4981 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4356
 Biowin6 (MITI Non-Linear Model): 0.3011
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.3683
 Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 0.00541 Pa (4.06E-005 mm Hg)
 Log Koa (Koawin est ): 9.847
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.000554 
 Octanol/air (Koa) model: 0.00173 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.0196 
 Mackay model : 0.0425 
 Octanol/air (Koa) model: 0.121 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 56.4145 E-12 cm3/molecule-sec
 Half-Life = 0.190 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 2.275 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 10.500000 E-17 cm3/molecule-sec
 Half-Life = 0.109 Days (at 7E11 mol/cm3)
 Half-Life = 2.619 Hrs
 Fraction sorbed to airborne particulates (phi): 0.031 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 2390
 Log Koc: 3.378 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 1.583 (BCF = 38.25)
 log Kow used: 4.06 (estimated)

 Volatilization from Water:
 Henry LC: 3.99E-008 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 2.256E+004 hours (939.9 days)
 Half-Life from Model Lake : 2.462E+005 hours (1.026E+004 days)

 Removal In Wastewater Treatment:
 Total removal: 32.88 percent
 Total biodegradation: 0.34 percent
 Total sludge adsorption: 32.54 percent
 Total to Air: 0.00 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.0566 1.66 1000 
 Water 15.7 900 1000 
 Soil 79.9 1.8e+003 1000 
 Sediment 4.27 8.1e+003 0 
 Persistence Time: 1.2e+003 hr